NAICS 327999: All Other Miscellaneous Nonmetallic Mineral Product Manufacturing
This U.S. industry comprises establishments primarily engaged in manufacturing nonmetallic mineral products (except pottery, ceramics, and plumbing fixtures; clay building materials and refractories; glass and glass products; cement; ready-mix concrete; concrete products; lime; gypsum products; abrasive products; cut stone and stone products; ground and treated minerals and earth; and mineral wool).

Illustrative Examples:

Dry mix concrete manufacturing
Mica products manufacturing
Manmade and engineered proppants (e.g., resin-coated sand, ceramic materials) manufacturing
Stucco and stucco products manufacturing
Synthetic stones, for gem stones and industrial use, manufacturing 

ExioML sector: Other non-metallic mineral products
Region: US | Year: 2022
Sector value added: 7267.28241345 M EUR | Employment: 50.0959097238 thousand persons
Sector GHG emissions: 3814794224.23 kg CO2 eq | Energy carrier net total: 91162.3046969 TJ | Carbon intensity: 0.5249272021092409

Company: Exochem Corporation
Exochem Corporation manufacturers foundry cores. The Company offers breaker cores, clay rope, domes and spheres, filters, hot topping compounds, inserts, mold seal and core paste, neckdowns, cone riser sleeves, recharge vessels, skimming blades, and lances. Exochem serves customers in the United States.